Thomas uiga igoa sili: Po nei, Fiafia, Foafoa, Toaga, Agalelei. Aumai Thomas uiga o le suafa.
Doerr uiga faaiu sili: Agalelei, Po nei, Laki, Matuia, Faauo. Aumai Doerr uiga o faaiu.
Thomas amataga o le igoa muamua. Greek form of the Aramaic name תָּאוֹמָא (Ta'oma') which meant "twin" Aumai Thomas amataga o le igoa muamua.
Thomas igoa diminutives: Maas, Thom, Tom, Tommie, Tommy. Aumai Nicknames mo Thomas.
E tusitusiga po o le auala e faalauiloa le igoa muamua Thomas: TAHM-əs (i le gagana Peretania), TOM-əs (i le gagana Peretania), to-MAH (i Farani), TO-mahs (i Siamani, i Holani), tho-MAHS (i le gagana Eleni). E faapefea e faalauiloa Thomas.
Igoa tutusa mo Thomas i atunuu ma gagana eseese: Foma, Tam, Tamás, Tamati, Tàmhas, Tavish, Te'oma, Toma, Tomàs, Tomás, Tomáš, Tomas, Tomasz, Tomaž, Tomé, Tomek, Tomi, Tomica, Tommaso, Tommi, Tomo, Tomos, Toms, Toomas, Tómas, Tòmas, Tuomas, Tuomo, Twm. Aumai Thomas i isi gagana.
Surnames taatele ma igoa Thomas: Anderson, Williams, Slavin, Darcy, Jerry. Aumai Lisi o surnames ma igoa Thomas.
O le tele o igoa tutusa ai ma faaiu Doerr: Ashlie, Anita, Tyrone, Thomas, Brain. Aumai Igoa e aumai faatasi Doerr.
Ogatasi o Thomas ma Doerr o 80%. Aumai Ogatasi o Thomas ma Doerr.